aspheric lens

(redirected from Aspherical lens)

a·spher·ic lens

a lens with a paraboloidal surface that eliminates spheric aberration.
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This high image quality is made possible thanks to its advanced optical design featuring four aspherical lens elements, two of which are high precision AA (advanced aspherical) lenses.
The EF 85mm utilizes one large diameter, high-precision molded glass aspherical lens and features an ASC coating.
Early optics experts discovered that using an aspherical lens in the microscope immediately improved performance by eliminating those spherical aberrations, or the loss of image definition.
The glass is ground and polished to create an aspherical lens.
It uses Sony CMOS sensor and seven-element aspherical lens technology.
The lens unit was realized with HOYA's technology in glass lens molding for aspherical lens, and optical design and manufacturing for compact camera lens unit.
The use of Special Low Dispersion (SLD) glass that is accompanied by aspherical lens elements to compensate for a variety of aberrations and allow for a more compact size.
The aspherical lens adopted to enhance the lens' focus is made of high -- transmission, low -- dispersion materials and features a nano -- scale, anti -- reflection coating.
BenQ's exclusive aspherical lens projection design is claimed to enable projection of 78-inch whiteboard sized big pictures, in a projection distance of a just 0.
Aspherical lens doubles the intensity of the received laser reflection.
The lens combines aspherical lens elements and ED (extra-low dispersion) lens for high optical precision, offering high resolution and minimal chromatic aberration at all settings, from 28mm wide-angle to 560mm super telephoto.
These models use a unique aspherical lens to project a larger image from a shorter distance without compromising picture quality.